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2BK-Series Pulleys

2BK-Series Pulleys For V-Belts

2BK pulleys can be used with 2-banded A belts, 2-banded B-belts, 2-banded cogged AX belts, 2-banded cogged BX belts, single A, B, 4L, 5L, AX, BX, AA, and BB belts. 2BK pulleys are commonly known as double groove BK pulleys and range in diameter from 2.50" to 18.75" but custom ones are also available upon request. Double BK series pulleys are typically used in medium to heavy-duty agricultural and industrial applications. Our double v-belt pulleys are manufactured using state of the art techniques combined with having premium high-performance and high-strength features like using grade 35 cast iron instead of grade 25.

2BK Series Pulley Size Chart

Size
Outside Diameter
Pitch Diameter (4L/A)
Pitch Diameter (5L/B)
Type
Dimension (F)
Dimension (L)
Dimension (P)
Dimension (C)
Pulley Weight
2BK25 2.50" 1.90" 2.30" 1 1-3/4" 1-31/32" 15/32" 1/4" 1.3 LBS
2BK27 2.70" 2.10" 2.50" 1 1-3/4" 1-31/32" 15/32" 1/4" 1.6 LBS
2BK28 2.95" 2.20" 2.60" 1 1-3/4" 1-31/32" 15/32" 1/4" 1.9 LBS
2BK30 3.15" 2.40" 2.80" 1 1-3/4" 1-31/32" 15/32" 1/4" 2.3 LBS
2BK32 3.35" 2.60" 3.00" 1 1-3/4" 1-31/32" 15/32" 1/4" 2.6 LBS
2BK34 3.55" 2.80" 3.20" 1 1-3/4" 1-31/32" 15/32" 1/4" 2.8 LBS
2BK36 3.75" 3.00" 3.40" 1 1-3/4" 1-31/32" 15/32" 1/4" 3.3 LBS
2BK40 3.95" 3.20" 3.60" 2 1-3/4" 1-15/32" 15/32" 3/4" 3.3 LBS
2BK45 4.25" 3.50" 3.90" 2 1-3/4" 1-15/32" 15/32" 3/4" 3.3 LBS
2BK47 4.45" 3.70" 4.10" 2 1-3/4" 1-15/32" 15/32" 3/4" 3.7 LBS
2BK50 4.75" 4.00" 4.40" 2 1-3/4" 1-15/32" 15/32" 3/4" 4.1 LBS
2BK52 4.95" 4.20" 4.60" 2 1-3/4" 1-15/32" 15/32" 3/4" 4.5 LBS
2BK55 5.25" 4.50" 4.90" 2 1-3/4" 1-15/32" 15/32" 3/4" 4.5 LBS
2BK57 5.45" 4.70" 5.10" 2 1-3/4" 1-15/32" 15/32" 3/4" 5.1 LBS
2BK60 5.75" 5.00" 5.40" 3 1-3/4" 1-15/32" 15/32" 3/4" 4.9 LBS
2BK62 5.95" 5.20" 5.60" 3 1-3/4" 1-15/32" 15/32" 3/4" 4.8 LBS
2BK65 6.25" 5.50" 5.90" 3 1-3/4" 1-15/32" 15/32" 3/4" 5.0 LBS
2BK67 6.45" 5.70" 6.10" 3 1-3/4" 1-15/32" 15/32" 3/4" 5.0 LBS
2BK70 6.75" 6.00" 6.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 6.6 LBS
2BK80 7.75" 7.00" 7.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 7.2 LBS
2BK90 8.75" 8.00" 8.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 8.4 LBS
2BK100 9.75" 9.00" 9.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 9.4 LBS
2BK110 10.75" 10.00" 10.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 10.4 LBS
2BK120 11.75" 11.00" 11.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 11.8 LBS
2BK130 12.75" 12.00" 12.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 14.9 LBS
2BK140 13.75" 13.00" 13.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 16.3 LBS
2BK160 15.75" 15.00" 15.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 18.0 LBS
2BK190 18.75" 18.00" 18.40" 3 1-3/4" 1-19/32" 11/32" 1/2" 23.3 LBS

Frequently Asked Questions

  • If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!

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  • In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US

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    Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.

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